by Mario Rizzo
Although by the standards of contemporary economics, I am a historian of economic thought, I am not a historian of economic thought, properly considered. Thus my major interest in F.A. Hayek’s business cycle theory is not from the point of view of a historian. My interest is only incidentally in how Hayek’s contributions were perceived in the 1930s and 1940s, especially in light of John Maynard Keynes’s Treatise on Money and General Theory.
I am interested in Hayek’s business cycle theory because I believe it has much to teach us today – both in the style of reasoning it embodies and for its substantive points. Of course this is not to say that Hayek’s approach cannot be improved upon and revised in light of more recent theoretical and empirical developments.
But now comes Paul Krugman with his sometimes-echo Brad Delong (or is it vice versa?). Krugman thinks that Hayek was not an important “macro” economist; certainly not the rival or alternative to Keynes, either in the 1930s or today. Read the rest of this entry »